EP0334590A2 - 3-(Substituierte)-1-Carba(dethia)-3-cephemverbindungen und Cephalosporine und ein Verfahren zu ihrer Herstellung - Google Patents

3-(Substituierte)-1-Carba(dethia)-3-cephemverbindungen und Cephalosporine und ein Verfahren zu ihrer Herstellung Download PDF

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EP0334590A2
EP0334590A2 EP89302773A EP89302773A EP0334590A2 EP 0334590 A2 EP0334590 A2 EP 0334590A2 EP 89302773 A EP89302773 A EP 89302773A EP 89302773 A EP89302773 A EP 89302773A EP 0334590 A2 EP0334590 A2 EP 0334590A2
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amino
alkyl
group
formula
substituted
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EP0334590B1 (de
EP0334590A3 (de
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Gwendolyn Kay Cook
Iii John Hampton Mcdonald
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Eli Lilly and Co
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Eli Lilly and Co
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D501/00—Heterocyclic compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. cephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D501/14—Compounds having a nitrogen atom directly attached in position 7
    • C07D501/16—Compounds having a nitrogen atom directly attached in position 7 with a double bond between positions 2 and 3
    • C07D501/20—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids
    • C07D501/22—7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with radicals containing only hydrogen and carbon atoms, attached in position 3
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D463/00—Heterocyclic compounds containing 1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:, e.g. carbacephalosporins; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
    • C07D463/02—Preparation
    • C07D463/06—Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents

Definitions

  • This invention relates to ⁇ -lactam antibiotics.
  • it relates to certain 3-(substituted)-1-­carba(dethia)-3-cephems and cephalosporin esters and to a process for the preparation thereof
  • the process provides certain 1-carba(1-dethia)-3-cephem esters (and cephem esters) which, in turn, may be deesterified to provide 1-carba-­(1-dethia)-3-cephem-4-carboxylic acid (or cephalosporin) antibacterials.
  • the present invention provides a process for preparing a compound of Formula (1): wherein A is a protected amino group or an acylamino group R(CO)-NH-; R1 is a carboxy-protecting group or a biologically-labile ester; X is sulfur or -CH2-; and R2 is methyl; C2-C6 alkenyl; C2-C6 alkynyl; C1-C6 substituted alkyl; C2-C6 substituted alkenyl; C2-C6 substituted alkynyl; phenyl; substituted phenyl; C1-C6 alkyloxymethyl; phenyl-C1-C6 alkyloxymethyl; or tri-(C1-C6)alkylsilyloxymethyl; which comprises reacting a compound of Formula (2) wherein A, X and R1 are as defined above, and R3 is trifluoromethylsulfonyloxy, methanesulfonyloxy, toluene­ sulfon
  • alkali metal halide refers to salts such as lithium chloride, lithium bromide, sodium chloride, sodium bromide and like salts. Lithium chloride is the preferred alkali metal halide. As one skilled in the art will appreciate, other halide sources, e.g., tetraalkylammonium halides such as tetra­methyl ammonium chloride may be equally efficacious.
  • Inert solvents which may be employed include hexane, dimethylformamide, dimethylacetamide and like solvents which are capable of maintaining substantially all of the reagents and reactants in solution.
  • tin transfer reagents include tetramethylstannane, tetraethylstannane, tri-n-butyl vinyl stannane, tri-n-butyl allyl stannane, tri-n-butyl­(methoxymethyl)stannane, tri-n-butylethynyl stannane, tri-n-butyl-[(Z)-1-propene-1-yl]stannane, tri-n-butyl-­[(Z)-3,3,3-trifluoro-1-propene-1-yl]stannane, tri-­n-butyl(benzyloxymethyl)stannane, tri-n-butyl(2-propyne-­1-yl)stannane and the like.
  • the above process is carried out at a tem­perature from about -70°C to about 150°C, preferably from about 25°C to about 75°C under substantially anhydrous conditions and preferably in an inert at­mosphere such as a nitrogen or argon atmosphere.
  • the "tin transfer reagent" of the formula tri(C1-C6 alkyl)Sn-R2 or Sn(R2)4 is chosen by virtue of the desired R2 substituent (3-position) in the ⁇ -lactam compound.
  • the C1-C6 alkyl groups which may appear on the tin transfer reagent n-butyl is preferred, i.e., tri-n-butyl tin-R2 is the preferred reagent.
  • the palladium catalyst employed in the process is soluble or partially soluble Pd(O) which may be generated in situ or provided directly in the form of a palladium compound such as tetrakis-(triphenyl­phosphine)palladium(O).
  • a reagent useful for generating Pd(O) in situ is palladium dichloride diacetonitrilate.
  • Other well-known palladium compounds which either exist as Pd(O) or can be reduced to Pd(O) in situ may be utilized if otherwise compatible with the reactants.
  • the process is performed by adding the palladium O compound or Pd(O) generating reagents, an alkali metal halide, when R3 is other than halo, and a lin transfer reagent to a solution of the substrate (2) in an inert solvent.
  • the reaction mixture is typically heated, if necessary, to complete the process.
  • the progress of the reaction may be followed by thin layer chromatography or high-performance liquid chromatography using small aliquots of the reaction mixture from time to time.
  • the resulting 3-substituted 1-carbadethia-3-­cephem ester or cephalosporin ester (1) may then be recovered from the reaction mixture by conventional isolation techniques.
  • reaction mixture may be diluted with a water immiscible solvent such as ethyl acetate, the solution washed sequentially with dilute acid and bicarbonate and, after drying, may be evaporated to provide the product (1) in crude form. Purification may then be effected using conventional methodology, for example, utilizing recrystallization and/or chromatography, e.g., high-performance liquid chromatography.
  • a water immiscible solvent such as ethyl acetate
  • Preferred starting materials (2) include compounds wherein R3 is bromo, iodo or trifluoromethane­sulfonyloxy.
  • Some examples of the 3-substituted ceph­alosporins and 1-carba(1-dethia)-3-cephems produced by the process include p-nitrobenzyl-7 ⁇ -phenoxyacetyl­amino-3-(cis-1-propenyl)-3-cephem-4-carboxylate; p-­nitrobenzyl-7 ⁇ -phenoxyacetylamino-1-carba(1-dethia)-­3-(cis-1-propenyl)-3-cephem-4-carboxylate; benzhydryl-­7 ⁇ -phenoxyacetylamino-3-vinyl-3-cephem-4-carboxylate; benzhydryl-7 ⁇ -phenylacetylamino-1-carba(1-dethia)-3-­vinyl-3-cephem-4-carboxylate; p-nitrobenzyl-7 ⁇ -­phenoxyacetylamino-3-(benzyloxy)methyl-3-cephem
  • the 1-carba-3-trifluoromethylsulfonyloxy esters of Formula (2) which are used as the starting materials in the process may be prepared by the method of Evans, et al ., U.S. Patent No. 4,673,737.
  • the other starting materials of Formula (2) wherein R3 is tosylate, mesylate or halo are likewise known compounds synthesized by known methodology.
  • R is hydrogen; C1-C6 alkyl, C1-C6 alkyl substituted by cyano, carboxy, halogen, amino, C1-C4 alkoxy, C1-C4 alkylthio, or trifluoromethylthio; a phenyl or substituted phenyl group represented by the formula wherein a and a′ independently are hydrogen, halogen, hydroxy, C1-C4 alkoxy, C1-C4 alkanoyloxy, C1-C4 alkyl, C1-C4 alkylthio, amino, mono- or di(C1-C4 alkyl)amino, C1-C4 alkanoylamino, C1-C4 alkylsulfonyl­amino, carboxy, carbamoyl, hydroxymethyl, aminomethyl, or carboxymethyl; a group represented by the formula wherein a and a′ have the
  • C1-C6 alkyl refers to the straight and branched chain alkyl groups such as methyl, ethyl, n-propyl, isopropyl, n-butyl, t-butyl, n-pentyl, n-hexyl, 3-methylpentyl, and like alkyl groups;
  • C1-C6 alkyl substituted by cyano refers to cyanomethyl, cyanoethyl, 4-cyanobutyl, and the like;
  • C1-C6 alkyl substituted by carboxy refers to such groups as carboxymethyl, 2-carboxyethyl, 2-carboxypropyl, 4-carboxybutyl, 5-carboxypentyl, and the like;
  • C1-C6 alkyl substituted by halogen refers to chloromethyl, bromomethyl, 2-chloroethyl, 1-bromoethyl, 4-chlorobutyl, 4-bromopen
  • R is a substituted phenyl group wherein the substituent(s) are represented by a and a′, examples of such groups are halophenyl such as 4-chlorophenyl, 3-bromophenyl, 2-fluorophenyl, 2,4-dichlorophenyl, and 3,5-dichlorophenyl; hydroxy­phenyl such as 2-hydroxyphenyl, 3-hydroxyphenyl, 4-hydroxyphenyl, 2,4-dihydroxyphenyl, and 3,4-dihydroxy­phenyl; alkoxyphenyl, such as 2,6-dimethoxyphenyl, 4-methoxyphenyl, 3-ethoxyphenyl, 3,4-dimethoxyphenyl, 4-t-butyloxyphenyl, 4-methoxy-3-ethoxyphenyl, and 4-n-­propoxyphenyl; alkanoyloxyphenyl such as 2-acetoxyphenyl, 4-propionoxyphenyl, 4-formyloxyphen
  • R1-CH2CONH-groups of Formula (1) wherein R1 is a heteroaryl group are: 2-thienylacetyl, 3-thienylacetyl, 2-furylacetyl, 2-benzothienylacetyl, 2-benzofurylacetyl, indol-2-ylacetyl, 1H-tetrazol-1-­ylacetyl, oxazol-2-ylacetyl, oxazol-4-ylacetyl, thiazol-­4-ylacetyl, 2-aminothiazol-4-ylacetyl, 1,3,4-oxadiazol-­2-ylacetyl, 1,3,4-thiadiazol-2-ylacetyl, 5-ethyl-1,3,4-­thiadiazol-2-ylacetyl, and like heteroaryl groups optionally substituted by amino, C1-C4 alkylsulfonyl­amino, hydroxy, halo, C1-C
  • RCONH- groups of Formula (1) compounds wherein R is a substituted methyl group repre­sented by the formula R2-CH(Q)- and Q is amino, carboxy, hydroxy, or sulfo are 2-carboxy-2-phenylacetyl, 2-carboxy-2-(4-hydroxyphenyl)acetyl, 2-amino-2-phenyl­acetyl, 2-amino-2-(4-hydroxyphenyl)acetyl, 2-amino-2-­(3-chloro-4-hydroxyphenyl)acetyl, 2-amino-2-(cyclohex-­ 1,4-dien-1-yl)acetyl, 2-hydroxy-2-phenylacetyl, 2-formyloxy-2-phenylacetyl, 2-sulfo-2-phenylacetyl, 2-sulfo-2-(4-methylphenyl)acetyl, and 2-acetoxy-2-(3-­hydroxyphenyl)acetyl
  • RCONH- acyl groups of the compounds represented by Formula (1) when R is a keto group or an oximino-substituted group represented by the formulae are the keto groups 2-oxo-2-phenylacetyl, 2-oxo-2-(2-­thienyl)acetyl, 2-oxo-2-(2-aminothiazol-4-yl)acetyl; and oximino-substituted groups 2-phenyl-2-methoxyimino­acetyl, 2-(2-thienyl)-2-ethoxyiminoacetyl, 2-(2-furyl)-­2-methoxyiminoacetyl, 2-(2-benzothienyl)-2-carboxy­methoxyiminoacetyl, 2-(2-thienyl)-2-(2-carboxyethoxy)­iminoacetyl, 2-(2-amino-1,2,4-thiadiazol-4-yl)-2-­methoxyi
  • the starting material (2) desirably has any free amino or carboxy functions which may be present in the R(CO) group in protected form, e.g., protected with an R1 protecting group or a protected amino group as defined below.
  • the carboxy-protecting group R1 is a conven­tional carboxy-blocking group used in the ⁇ -lactam antibiotic art and serves the function of blocking the acidic carboxy group while reactions are carried out at other sites in the molecule.
  • Such groups are used for the temporary protection or blocking of the carboxy group. Examples of such groups are t-butyl, haloalkyl groups, e.g. 2,2,2-trichloroethyl, 2-iodoethyl, benzyl, substituted benzyl, e.g. 4-nitrobenzyl, and 4-methoxy­benzyl, diphenylmethyl, trialkylsilyl or mixed alkyl­arylsilyl groups, e.g.
  • trimethylsilyl triethylsilyl, dimethylphenylsilyl, ⁇ -trimethylsilylethyl, and ⁇ -methyl­sulfonylethyl.
  • Preferred carboxy-protecting groups are 4-nitrobenzyl and diphenylmethyl.
  • biologically-labile ester refers to those biologically active ester forms which induce increased blood levels and prolong the efficacy of the corresponding non-esterified forms of the compounds.
  • ester groups include the lower alkoxymethyl groups, for example, methoxymethyl, ethoxymethyl, iso-propoxymethyl and the like; the ⁇ -(C1 to C4)­alkoxyethyl groups, for example, methoxyethyl, ethoxy­ethyl, propoxyethyl, iso-propoxyethyl and the like; the 2-oxo-1,3-dioxolen-4-ylmethyl groups, such as 5-methyl-­2-oxo-1,3-dioxolen-4-ylmethyl, 5-phenyl-2-oxo-1,3-­dioxolen-4-ylmethyl and the like; the C1 to C3 alkylthio­ methyl groups, for example, methylthiomethyl, ethyl
  • Protected amino groups represented by A in Formulae (1) and (2) are the conventional protecting or blocking groups attached to an amino group, which are used in the ⁇ -lactam antibiotic art for the temporary protection of the amino group function while reactions at other sites in the molecule are carried out.
  • suitable protecting groups are formyl, trichloroacetyl, tribromoacetyl, trityl, an alkyl, cycloalkyl, or aryloxycarbonyl group such as ethoxy­carbonyl, t-butyloxycarbonyl, trichloroethoxy­carbonyl, cyclopentyloxycarbonyl, benzyloxycarbonyl, p-nitrobenzyloxycarbonyl, and diphenylmethoxycarbonyl; allyloxycarbonyl, a bicyclooxycarbonyl group such as adamantyloxycarbonyl or bicycloheptyloxycarbonyl; an enamine group such as that formed from a free
  • Preferred protected amino groups A are represented by the formula R°1-O- -NH- wherein R°1 is C1-C4-alkyl, C3-C7 cycloalkyl, benzyl, nitrobenzyl, halobenzyl or methoxybenzyl.
  • Preferred protected amino groups are benzyloxycarbonylamino, p-nitrobenzyloxycarbonylamino, and t-butyloxycarbonyl­amino.
  • the 3-substituted- esters (1) obtained in the process of this invention may be deesterified to provide the free C4 carboxylic acid antibiotics. Accordingly, the 7-substituent may be changed or derivatized to provide other ⁇ -lactam antibiotics.
  • A is t-butoxycarbonylamino, phenoxyacetylamino or phenyl­acetylamino, and X is carbon.
  • A is t-butoxycarbonylamino, phenoxyacetylamino, phenyl­acetylamino;
  • X is sulfur; and
  • R2 is (cis)prop-1-ene-1-yl.
  • C2 to C6 alkenyl refers to straight and branched olefins.
  • Examples of the term C2 to C6 alkenyl include ethenyl, 1-propenyl, 2-propene-1-yl, 1-butene-1-yl, 2-butene-1-yl, 3-butene-­1-yl, 1-pentene-1-yl, 2-pentene-1-yl, 3-pentene-1-yl, 4-pentene-1-yl, 1-hexene-1-yl, 2-hexene-1-yl, 3-hexene-­1-yl, 4-hexene-1-yl, 5-hexene-1-yl, isopropene-1-yl, isobutenyl, isopentenyl, isohexenyl and the like.
  • C2 to C6 alkenyl is a group of the formula C3 to C6 alkenyl.
  • C2 to C6 substituted alkenyl refers to a C2 to C6 alkenyl group substituted by one or more halogen, hydroxy, protected hydroxy, nitro or trihalomethyl groups. It will, of course, be appreciated that a free hydroxy group may need to be protected during the course of the process as taught herein.
  • Preferred C2 to C6 substituted alkenyl groups are (Z)-3,3,3-trifluoro-1-propene-1-yl and (Z)-1-­propene-1-yl.
  • C2 to C6 alkynyl refers to straight and branched acetylenic groups.
  • Examples of the term C2 to C6 alkynyl include ethynyl, 1-propyne-1-yl, 2-propyne-1-yl, 1-butyne-1-yl, 2-­butyne-1-yl, 3-butyne-1-yl, 1-pentyne-1-yl, 2-pentyne-­1-yl, 3-pentyne-1-yl, 4-pentyne-1-yl, 1-hexyne-1-yl, 2-hexyne-1-yl, 3-hexyne-1-yl, 4-hexyne-1-yl, 5-hexyne-­1-yl, 2-methyl-2-propyne-1-yl, 2-methyl-4-propyne-1-yl, 2-methyl-3-pentyne-1-yl, 2-methyl-3-but
  • C2 to C6 substituted alkynyl refers to a C2 to C6 alkynyl group substituted by one or more halogen, hydroxy, protected hydroxy, nitro or trihalomethyl.
  • substituted phenyl denotes the same groups as defined hereinabove for the term R.
  • C1 to C6 alkyloxymethyl examples include methyloxymethyl, ethyloxymethyl, n-propyloxy­methyl, n-butyloxymethyl, n-pentyloxymethyl, n-hexyloxy­methyl, isopropyloxymethyl, isobutyloxymethyl, isopentyl­oxymethyl, isohexyloxymethyl and the like.
  • phenyl C1 to C6 alkyloxy­methyl examples include benzyloxymethyl, (2-phenyl)ethyloxy­methyl, (3-phenyl)-n-propyloxymethyl, (4-phenyl)-n-­butyloxymethyl, (5-phenyl)-n-pentyloxymethyl, (6-phenyl)-­n-hexyloxymethyl, (2-phenyl)(2-methyl)ethyloxymethyl, (3-phenyl)(3-methyl)-n-propyloxymethyl and the like.
  • compounds of Formula (3) wherein A′ is amino or A as defined above for Formula (1); R2′ is C2 to C6 alkenyl, C2 to C6 alkynyl, C2 to C6 substituted alkenyl, C2 to C6 substituted alkynyl or a group of the formula -CH2-O-SIR′R ⁇ R′′′, wherein R′, R ⁇ and R′′′ are the same or different and are C1 to C6 alkyl; and R1′ is hydrogen, a carboxy-protecting group, a biologically-labile ester; or, when R1′ is hydrogen, a pharmaceutically-acceptable salt thereof.
  • Preferred compounds are represented by Formula (3), wherein R2′ is C2-C2 alkenyl group. Particular preferred groups are represented when R2′ is vinyl or a propenyl group of the formula wherein R4 is methyl or trihalomethyl.
  • R2′ is a group of the formula and R4 is trifluoromethyl.
  • A is R(C))-NH- and R is R2- H-, especially where Q is amino and R2 is phenyl, hydroxyphenyl or cyclohexa­dienyl.
  • An especially preferred compound is 7 ⁇ -phenyl­glycylamino-3-(Z)(2-propenyl)-1-carba(1-dethia)-3-cephem-­4-carboxylic acid.
  • the 1-carbacephalosporins provided by the invention form salts with suitable bases, in partic­ular, the pharmaceutically-acceptable, non-toxic salts.
  • the C-4 carboxy group of the 1-carbacephalosporin can form salts with the alkali and alkaline earth metal hydroxides, carbonates and bicarbonates. Examples of such pharmaceutically-acceptable salts are the sodium, potassium, calcium and magnesium salts. Salts also may be formed with amines such as dibenzylamine, cyclohexyl­ amine, triethylamine, ethanolamine, di-ethanolamine and like amines. Likewise, when the 1-carbacephalosporin is substituted by two or more carboxy groups, di- and tri-salts are obtained by conventional salt-forming methods.
  • 1-Carbacephalosporin compounds represented by Formula (3) which bear an amino group substituent in the 7-position side chain also form salts with suitable acids to provide the antibiotics as pharmaceutically-­acceptable salts.
  • suitable acids are hydrochloric, hydrobromic, sulfuric and phosphoric.
  • the pharmaceutically-acceptable, non-toxic salts are useful forms of the antibiotics for preparing antibiotic formulations.
  • This invention also provides a method for treating infectious diseases in man and animals and pharmaceutical formulations suitable for administra­tion in the treatment method.
  • the therapeutic method of this invention comprises administering to a man or other animals an antibiotically effective non-toxic dose of a compound represented by Formula (1) wherein R2 is hydrogen or a pharmaceutically acceptable salt or biologically labile ester thereof.
  • An antibiotically effective amount is an amount between about 25 mg and about 2 grams.
  • the compound, salt or ester may be administered in a single dose or in multiple doses throughout the day. Treat­ment may continue for a week to ten days or longer depending upon the duration of the infection.
  • the particular dose and regimen can depend on such factors as the weight and age of the patient, the particular causative organism, the severity of the infection, the general health of the patient, and the tolerance of the individual to the antibiotic.
  • the 1-carbacephalosporins may be administered parenterally, orally, subcutaneously or rectally. As with other ⁇ -lactam antibiotics, the method of this invention may be used prophylactically to prevent infections after exposure or before possible exposure, e.g., preoperatively.
  • the antibiotic 1-carbaceph­alosporins may be administered by conventional methods, e.g., in capsules, tablets, by syringe, or by intra­venous drip.
  • the pharmaceutical formulations of the inven­tion comprise an antibiotically effective non-toxic amount of a 1-carbacephalosporin represented by Formula (1) wherein R2 is hydrogen, a pharmaceutically acceptable non-toxic salt or biologically labile ester thereof, and a pharmaceutical carrier.
  • Formulations for oral administration include capsules, tablets, lozenges and liquid suspensions.
  • the antibiotic or a salt or ester thereof in the form of a dry powder is encapsulated in gelatin capsules for oral use.
  • the antibiotic may also be blended with an excipient, e.g., a stabilizer, prior to filling.
  • Capsules may contain between about 100 mg and about 500 mg to provide unit dosage formulatins.
  • Tablets containing between about 100 mg and 500 mg of the antibiotic or a salt or ester thereof are formulated by conventional means and may contain in addition a binding agent, disintegrating agent, stabilizing agent, antioxidant, etc.
  • Liquid preparations of the antibiotic may be prepared for infant and geriatric use.
  • Pediatric sus­pensions are formulated with the antibiotic oral excipients such as suspending agents, flavoring agents, stabilizers and the like.
  • Solutions of the antibiotics likewise may be formulated with solubilizing agents, flavoring agents, sugar, water, etc.
  • Parenteral formulations of the antibiotics for injection are formulated with Water-for-Injection, Ringer's solution, physiological saline or glucose solution.
  • the antibiotic also may be administered in an intravenous fluid by the drip method.
  • the antibiotic for parenteral use the antibiotic, a salt or biologically labile ester thereof, is made up preferably in dry crystalline powder form or as a lyophilized powder and filled into vials.
  • Such vials contain between about 100 mg and about 2 grams of antibiotic per vial.
  • the resulting cuprate solution was then cooled to -60°C and maintained between -50°C and -60°C while 13.0 ml (15.62 mg; 0.048 moles, 1.2 molar equiv­alents) of tri-n-butyl tin chloride (dissolved in 30 ml of anydrous diethyl ether) was added. The reaction mixture was then allowed to warm to room temperature overnight.
  • the resulting reaction mixture was cooled, quenched with saturated NH4Cl solution and filtered through Celite.
  • the inorganic layer was washed with hexane and the combined organic phases were washed sequentially with saturated NH4Cl solution and brine, dried over anhydrous NH4SO4, filtered and concentrated in vacuo .
  • the resulting crude material was distilled through a Vigreaux column (91-94°C/0.25 mm Hg) to provide 3.5 g of the title compound as a clear oil.
  • Example 3 In a manner analogous to that of Example 3 (i.e., tri-n-butylethenyl stannane was used as the tin transfer reagent), the title compound was produced from the 3-bromo-3-cephem ester.
  • NMR 300 MHz, TMS, CDCl3 ⁇ : 3.55 (d, 1H); 4.60 (s, 2H); 5.05 (d, 1H); 5.40 (d, 1H); 5.53 (d, 1H); 5.92 (d of d, 1H); 6.94 (br d, 2H); 7.0-7 4 (m, 7H); 7.59 (d, 2H); 8.22 (d, 2H).
  • reaction mixture was treated with an additional 2 mg of palladium dichloride diacetontrilate (repeated after 10 additional minutes). Finally, an additional 2.0 molar equivalents of tetramethyl stannane and 2 mg of palladium dichloride diaceto­nitrilate were added and the reaction mixture was heated to 35°C. Shortly thereafter the reaction was complete.
  • the crude product mixture was diluted with CH3CN and washed (3 x) with hexane. The CH3CN solution was then evaporated in vacuo and the crude product redissolved in ethyl acetate/diethyl ether (1:1). The resulting solution was then washed (3 x) with water, filtered and evaporated in vacuo .
  • Example 5 In a procedure analogous to that utilized in Example 5 (temperature ⁇ 35°C), substituting tri-n-­butyl (2,2-difluoroethene-1-yl)stannane as the tin transfer reagent and utilizing benzhydryl 7 ⁇ -phenoxy­acetylamino-1-carba(1-dethia)-3-trifluoromethane­sulfonyloxy-3-cephem-4-carboxylate as starting material, the title compound was produced.

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EP89302773A 1988-03-23 1989-03-21 3-(Substituierte)-1-Carba(dethia)-3-cephemverbindungen und Cephalosporine und ein Verfahren zu ihrer Herstellung Expired - Lifetime EP0334590B1 (de)

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Application Number Priority Date Filing Date Title
EP95201529A EP0677523A1 (de) 1988-03-23 1989-03-21 3-(Substituierte)-1-carba(dethia)-3-cephems und Cephalosporine und ein Verfahren zu ihrer Herstellung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/172,091 US4855418A (en) 1988-03-23 1988-03-23 Process for production of ceophalosporins
US172091 1988-03-23

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP95201529A Division EP0677523A1 (de) 1988-03-23 1989-03-21 3-(Substituierte)-1-carba(dethia)-3-cephems und Cephalosporine und ein Verfahren zu ihrer Herstellung
EP95201529.5 Division-Into 1989-03-21

Publications (3)

Publication Number Publication Date
EP0334590A2 true EP0334590A2 (de) 1989-09-27
EP0334590A3 EP0334590A3 (de) 1991-07-24
EP0334590B1 EP0334590B1 (de) 2001-07-04

Family

ID=22626323

Family Applications (2)

Application Number Title Priority Date Filing Date
EP95201529A Ceased EP0677523A1 (de) 1988-03-23 1989-03-21 3-(Substituierte)-1-carba(dethia)-3-cephems und Cephalosporine und ein Verfahren zu ihrer Herstellung
EP89302773A Expired - Lifetime EP0334590B1 (de) 1988-03-23 1989-03-21 3-(Substituierte)-1-Carba(dethia)-3-cephemverbindungen und Cephalosporine und ein Verfahren zu ihrer Herstellung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP95201529A Ceased EP0677523A1 (de) 1988-03-23 1989-03-21 3-(Substituierte)-1-carba(dethia)-3-cephems und Cephalosporine und ein Verfahren zu ihrer Herstellung

Country Status (11)

Country Link
US (1) US4855418A (de)
EP (2) EP0677523A1 (de)
JP (1) JPH024788A (de)
KR (1) KR890014557A (de)
AT (1) ATE202780T1 (de)
CA (1) CA1338571C (de)
DE (1) DE68929310T2 (de)
ES (1) ES2157884T3 (de)
GR (1) GR3036781T3 (de)
HU (1) HU208014B (de)
IL (1) IL89699A0 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431794A3 (en) * 1989-11-21 1992-03-25 Bristol Myers Squibb Co 3-fluorosulfonyloxyceph-3-em displacement process
GR910100112A (en) * 1990-03-08 1992-06-30 Bristol Myers Squibb Co Organo cuprate process for cefprozil
EP0484030A3 (en) * 1990-10-22 1992-08-12 Bristol-Myers Squibb Company Antibiotic c-3 cyclobutenedione substituted (1-carba)cephalosporin compounds, compositions, and methods of use thereof

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128336A (en) * 1988-03-23 1992-07-07 Eli Lilly And Company 3-(substituted)-1-carba(dethia)-3-cephems
DE4030706A1 (de) * 1990-09-28 1992-04-02 Bayer Ag Neue 3-substituierte cephalosporine, verfahren zu ihrer herstellung und ihre verwendung als arzneimittel
US5604222A (en) * 1993-12-27 1997-02-18 Lupin Laboratories, Ltd. Method for the preparation of 2-chloro sulfinyl azetidinones
US5578721A (en) * 1994-07-11 1996-11-26 Lupin Laboratories Limited Process for preparation of 3-exomethylene cepham sulfoxide esters
CA2701286A1 (en) * 2007-10-25 2009-04-30 Achaogen, Inc. Carbacephem .beta.-lactam antibiotics
WO2010030810A1 (en) * 2008-09-10 2010-03-18 Achaogen, Inc. Carbacephem beta-lactam antibiotics

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112481A1 (de) * 1982-11-12 1984-07-04 Kyowa Hakko Kogyo Co., Ltd Beta-Lactam-Verbindung
US4665171A (en) 1985-07-17 1987-05-12 Harvard University Process and intermediates for β-lactam antibiotics
US4673737A (en) * 1985-08-02 1987-06-16 Harvard University 7-acylamino-(or 7-amino)-3-trifluoromethylsulfonyloxy-1-carba(1-dethia)-3-cephem-4-carboxylic acids and esters thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0431794A3 (en) * 1989-11-21 1992-03-25 Bristol Myers Squibb Co 3-fluorosulfonyloxyceph-3-em displacement process
GR910100112A (en) * 1990-03-08 1992-06-30 Bristol Myers Squibb Co Organo cuprate process for cefprozil
EP0484030A3 (en) * 1990-10-22 1992-08-12 Bristol-Myers Squibb Company Antibiotic c-3 cyclobutenedione substituted (1-carba)cephalosporin compounds, compositions, and methods of use thereof

Also Published As

Publication number Publication date
US4855418A (en) 1989-08-08
ES2157884T3 (es) 2001-09-01
DE68929310D1 (de) 2001-08-09
ATE202780T1 (de) 2001-07-15
JPH024788A (ja) 1990-01-09
KR890014557A (ko) 1989-10-24
CA1338571C (en) 1996-09-03
HUT49888A (en) 1989-11-28
EP0677523A1 (de) 1995-10-18
HU208014B (en) 1993-07-28
EP0334590B1 (de) 2001-07-04
GR3036781T3 (en) 2002-01-31
IL89699A0 (en) 1989-09-28
EP0334590A3 (de) 1991-07-24
DE68929310T2 (de) 2002-05-02

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